Sleep quality in cigarette smokers: Associations with smoking-related outcomes and exercise
AffiliationUniv Arizona, Coll Med, Dept Family & Community Med
MetadataShow full item record
PublisherPERGAMON-ELSEVIER SCIENCE LTD
CitationPurani, H., Friedrichsen, S., & Allen, A. M. (2019). Sleep quality in cigarette smokers: Associations with smoking-related outcomes and exercise. Addictive behaviors, 90, 71-76.
Rights© 2018 Elsevier Ltd. All rights reserved.
Collection InformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at firstname.lastname@example.org.
AbstractCompared to the general population, cigarette smokers report poorer sleep quality. Poor sleep quality in cigarette smokers is associated with greater nicotine dependence. While exercise is known to improve sleep quality in the general population, less is known about how exercise effects sleep in those who smoke. The goal of this study was to explore the relationships between exercise, sleep, and smoking in cigarette smokers. Data on sleep quality (Insomnia Severity Index (ISI) and Pittsburgh Sleep Quality Index (PSQI)), smoking-related outcomes (e.g., cigarettes/day, Fagerstrom Test for Nicotine Dependence, Minnesota Nicotine and Withdrawal Scale, and Questionnaire of Smoking Urges) and exercise (Fitbit activity measures) were collected for 32 participants (63% female, mean age 30.3 ± 1.0 years) participating in a 12-week clinical research study. Analyses included simple linear regression models. Overall, participants reported poor sleep quality at baseline (PSQI > 5). Poorer sleep quality at baseline was associated with increased withdrawal (β = 1.63 ± 0.53, p = 0.0043), craving (β = 0.51 ± 0.43, p = 0.2471), and total smoking urges (β = 1.10 ± 0.41, p = 0.0118). During follow-up (i.e., from baseline to week 12), a daily increase in exercise was associated with improved sleep quality over the same time period (PSQI: β = -0.82 ± 0.35, p = 0.0379). Our data suggest that better sleep quality may be associated with lower levels of withdrawal, craving, and smoking urges. Further, exercise may be associated with better sleep quality in cigarette smokers. Future work should explore how increasing exercise and improving sleep quality could inform future smoking cessation interventions.
Note24 month embargo; available online 17 October 2018.
VersionFinal accepted manuscript
SponsorsClearWay Minnesota [RC-2015-0004]; University of Minnesota Foundation; Building Interdisciplinary Research Careers in Women's Health from the Eunice Kennedy Shriver National Institutes of Child Health and Human Development (NICHD) [BIRCWH K12HD055887]; Office of Research on Women's Health; National Institute on Aging, National Institutes of Health; Research Services in the Department of Family Medicine and Community Health, Medical School, University of Minnesota; National Center for Advancing Translational Sciences of the National Institutes of Health [UL1TR000114]
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